题目内容

共基组态放大器又称电流跟随器,输入和输出电压为,具有放大作用。(同相、反相、电压、电流)

查看答案
更多问题

共集电极放大电路有如下特点;()。

A. 输入电阻大
B. 输入电压和输出电压反相
C. 输入电压和输出电压同相
D. 输出电阻小
E. 输出电阻大
F. 有电流放大作用,无电压放大作用

单管共集电极放大电路中,若输入电压为正弦波,用示波器观察vo和vi的波形,则vo和vi的相位相差180o。

A. 对
B. 错

Q: What did Irina Bokowa, the Director-general of UNESCO say about women scientists?A: The world needs science, while science needs ___________________. It's impossible to make any progress for ____________________ if one sets aside the other half's ______________, _____________, and ____________.

Q: What are Xie Yi's contributions to science?A: She is part of a team who created a new ______________________ that can be used to convert ____________ or ____________ into electricity. Her work contributes to __________________ pollution and _______________ energy efficiency.

答案查题题库